Home / 119,885.00-165,440.07-66,170.52

Finding the Fourth Proportional to 119,885.00, 165,440.07 and 66,170.52

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Solution

The fourth proportional to 119,885.00, 165,440.07 and 66,170.52 is: 91,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,885.00 : 165,440.07 = 66,170.52 : x
  2. Step 2: Convert to fraction form
    119,885.00/165,440.07 = 66,170.52/x
  3. Step 3: Cross multiply
    119,885.00x = 165,440.07 × 66,170.52
  4. Step 4: Simplify right side
    119,885.00x = 10,947,255,460.74
  5. Step 5: Solve for x
    x = 10,947,255,460.74/119,885.00
  6. Step 6: Final answer
    x = 91,314.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.